Finding the Fourth Proportional to 816,869.70, 1,225,304.55 and 606,917.70
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Solution
The fourth proportional to 816,869.70, 1,225,304.55 and 606,917.70 is: 910,376.55
Step by Step Solution
- Step 1: Write the proportion equation
816,869.70 : 1,225,304.55 = 606,917.70 : x - Step 2: Convert to fraction form
816,869.70/1,225,304.55 = 606,917.70/x - Step 3: Cross multiply
816,869.70x = 1,225,304.55 × 606,917.70 - Step 4: Simplify right side
816,869.70x = 743,659,019,285.54 - Step 5: Solve for x
x = 743,659,019,285.54/816,869.70 - Step 6: Final answer
x = 910,376.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.